Reflection: Connection to Prior Knowledge The Defining Pi Project, Day 2 - Section 1: Opener: Example Problem from Gallery Walk


This historical discussion of Fibonacci's approximation for pi takes us through two Mathematical Practices: attention to precision (MP6) and use of the calculator as a tool (MP5). It also serves as a brief review of scientific notation. There is a lot of good mathematical thinking to be had, even as students are being exposed the history of the subject (or of a number). 

Planning note: When I am teaching this lesson, I pay attention to student thinking and the misconceptions that arise when students begin the Gallery Walk. Fibonnaci is often a good choice for my students at my school. However, I my choose to use what I observe to choose the most appropriate problem to share as a full-class example, based on something interesting that occurs on Day 1.

  Connection to Prior Knowledge: Mathematicians and Mathematical Practices
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The Defining Pi Project, Day 2

Unit 6: Trigonometry: Circles
Lesson 6 of 17

Objective: SWBAT demonstrate understanding of using high levels of precision as they learn to compute a value of pi.

Big Idea: This lesson picks up where Day 1 left off, providing students with clarity about Part 1 of the project and the levels of precision to which we will have to attend.

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Math, Trigonometry, Precalculus and Calculus, 12th Grade, circles
  75 minutes
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